public void SubtractsNumberUsingCommandAndReturnsNegativeNumberWithPublicProperty(int number, int expected)
{
// Arrange
var subtractCommand = new SubtractCommand(number);
// Act
subtractCommand.Do();
var result = subtractCommand.Number;
// Assert
That(result, Is.EqualTo(expected));
}
public void SubtractsNumberAndUndoesOperationResultingInBaseZeroValue(int number, int expected)
{
// Arrange
var subtractCommand = new SubtractCommand(number);
subtractCommand.Do();
// Act
subtractCommand.Undo();
var result = subtractCommand.Number;
// Assert
That(result, Is.EqualTo(expected));
}